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Thread: Sacrificial Anode?
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02-20-2009 #1
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Sacrificial Anode?
Anyone know where to get a 1/4 NPT zinc sacrificial anode without brass fittings on it?
The only one that anyone seems to carry is the Flex-a-lite one that has a brass fitting on it (running a aluminum. radiator).
http://store.summitracing.com/partde...part=flx-32060
I have seen the caps with them built in, but really looking for an anode that will fit into the drain at the bottom of the radiator.
Thanks!
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02-20-2009 #2
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Do you want one with a different material NPT thread? What is wrong with the brass part?
http://www.mcmaster.com/#sacrificial-anodesVaporWorx. We Give You Gas http://www.vaporworx.com
02-20-2009 #3
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Where do people install these things? I've got one, but I don't have a hole with 3" depth behind it on my SBC.
Mike Kelcy - '68 Camaro with some stuff done to it.
02-20-2009 #4
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Originally Posted by CarlC
I thought brass fittings in an aluminum radiator were bad? Least the tags that came with my Ron Davis radiator say not to use any brass fittings.
Thanks for the link. Looks like I have 3-1/2" of depth at the drain plug so that 1/4 NPT that is 3" looks perfect!
02-20-2009 #5
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Break out the hacksaw Mike. I used then in the heads of my old 406 since it was an iron/aluminum engine.
What does RD recommend using if brass cannot?Last edited by CarlC; 02-20-2009 at 08:12 PM.
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02-20-2009 #6
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Can I use a cutoff wheel?
LOLScott from NJ.
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02-20-2009 #7
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ROFL. Thanks Originally Posted by CarlC
Mike Kelcy - '68 Camaro with some stuff done to it.
02-20-2009 #8
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I dunno they didn't have a specific recommendation when I asked them. Originally Posted by CarlC
02-21-2009 #9
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Most of your aftermarket aluminum radiators have a brass drain petcock on them.
I have used these anodes before with no issues.
02-26-2009 #10
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I have a ron davis radiator and I put the flex a lite anode in the drain petcock. I think it should be in the radiator because that is what you are saving from the electrolysis, but you can put it anywhere. Voltage will always take the path of least resistance.
It is always up to you.James Faria
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04-24-2009 #11
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As for me arfter spending hundreds or thousands on aluminum heads, rad etc, go look at Evans Cooling NPG+ and NPG-R Non-Aqueous Propylene Glycol coolant, with a 375 degree boiling point at atmospheric pressure, and it has no water which will negate the corrosion issue.
Yeah its pricey but hey isnt $150 in coolant worth proper cooling?
Used it in several projects and it will cool very well and have yet to see any type of corrosion issues. http://www.evanscooling.com/index2.html
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